Finding the Fourth Proportional to 7,436,599.36, 10,271,861.12 and 6,134,569.60
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Solution
The fourth proportional to 7,436,599.36, 10,271,861.12 and 6,134,569.60 is: 8,473,422.31
Step by Step Solution
- Step 1: Write the proportion equation
7,436,599.36 : 10,271,861.12 = 6,134,569.60 : x - Step 2: Convert to fraction form
7,436,599.36/10,271,861.12 = 6,134,569.60/x - Step 3: Cross multiply
7,436,599.36x = 10,271,861.12 × 6,134,569.60 - Step 4: Simplify right side
7,436,599.36x = 63,013,446,962,173.95 - Step 5: Solve for x
x = 63,013,446,962,173.95/7,436,599.36 - Step 6: Final answer
x = 8,473,422.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.